| Le Portel to Bagnolet | 132.43 mi (213.13 km) |
| Le Portel to Bagnols-sur-Ceze | 473.94 mi (762.74 km) |
| Le Portel to Bailleul | 50.81 mi (81.77 km) |
| Le Portel to Balma | 490.33 mi (789.10 km) |
| Le Portel to Bar-le-Duc | 208.83 mi (336.08 km) |
| Le Portel to Barentin | 84.87 mi (136.58 km) |
| Le Portel to Basse-Goulaine | 277.79 mi (447.06 km) |
| Le Portel to Bastia | 666.46 mi (1,072.56 km) |
| Le Portel to Bayeux | 141.29 mi (227.39 km) |
| Le Portel to Bayonne | 518.77 mi (834.89 km) |
| Le Portel to Beaucaire | 497.86 mi (801.22 km) |
| Le Portel to Beauchamp | 120.14 mi (193.35 km) |
| Le Portel to Beaumont | 349.32 mi (562.17 km) |
| Le Portel to Beaumont-sur-Oise | 112.63 mi (181.27 km) |
| Le Portel to Beaune | 294.47 mi (473.90 km) |
